EESchema Schematic File Version 5
LIBS:neo900-cache
EELAYER 29 0
EELAYER END
$Descr A3 16535 11693
encoding utf-8
Sheet 22 25
Title "Adaptation (v2 only)"
Date "Intentionally Left Blank"
Rev ""
Comp ""
Comment1 "UPPER"
Comment2 ""
Comment3 ""
Comment4 "Xsheetnumber=33"
$EndDescr
Text Notes 4100 7850 0    70   ~ 0
connect to BB
Text Notes 4100 7950 0    70   ~ 0
by some Micro-USB cable
$Comp
L neo900:USB-AB-NEW-105017-0001 P2201
U 5 1 578DEAF4
P 6600 7850
F 0 "P2201" H 7000 7200 50  0000 R CNN
F 1 "105017-0001" H 6600 8500 50  0000 C CNN
F 2 "neo900:105017-0001" H 6491 7170 50  0001 L BNN
F 3 "" H 6600 7850 60  0001 C CNN
	5    6600 7850
	-1   0    0    1   
$EndComp
$Comp
L neo900:GND-3 #U$0399
U 1 1 578E2140
P 7700 7550
F 0 "#U$0399" H 7580 7451 70  0001 L BNN
F 1 "GND3" H 7580 7451 70  0001 L BNN
F 2 "" H 7700 7550 60  0001 C CNN
F 3 "" H 7700 7550 60  0001 C CNN
	1    7700 7550
	1    0    0    -1  
$EndComp
Wire Wire Line
	7200 7450 7700 7450
Wire Wire Line
	7200 7850 7600 7850
Wire Wire Line
	7200 8050 7600 8050
Text GLabel 7600 7850 2    60   BiDi ~ 0
USB_MODEM_DP_U
Text GLabel 7600 8050 2    60   BiDi ~ 0
USB_MODEM_DM_U
NoConn ~ 7200 7650
NoConn ~ 7200 8250
$Comp
L xo-quad-en:XO-QUAD-EN U2203
U 1 1 58079D09
P 5800 9700
F 0 "U2203" H 5500 9950 60  0000 L CNN
F 1 "CSX-252FAP32768" H 5800 9400 60  0000 C CNN
F 2 "NeoFeet:XO-2520" H 5800 9700 60  0001 C CNN
F 3 "http://cfd.citizen.co.jp/english/prod-tech/product/pdf/datasheet_Oscillator/CSX-252F.pdf" H 5800 9700 60  0001 C CNN
	1    5800 9700
	1    0    0    -1  
$EndComp
Text GLabel 6600 9600 2    60   Input ~ 0
1V8_U
$Comp
L neo900:C0603 C2201
U 1 1 58079DBC
P 6400 10050
F 0 "C2201" H 6440 10090 50  0000 L CNN
F 1 "1u" H 6450 9900 50  0000 L CNN
F 2 "NeoFeet:C_0402" H 6430 10200 20  0001 C CNN
F 3 "" H 6400 10050 60  0001 C CNN
	1    6400 10050
	1    0    0    -1  
$EndComp
$Comp
L neo900:GND-3 #M0400
U 1 1 58079E6A
P 6400 10450
F 0 "#M0400" H 6400 10450 45  0001 C CNN
F 1 "GND-3" H 6400 10450 45  0001 C CNN
F 2 "" H 6400 10450 60  0001 C CNN
F 3 "" H 6400 10450 60  0001 C CNN
	1    6400 10450
	1    0    0    -1  
$EndComp
$Comp
L neo900:GND-3 #M0401
U 1 1 58079EB4
P 5200 10450
F 0 "#M0401" H 5200 10450 45  0001 C CNN
F 1 "GND-3" H 5200 10450 45  0001 C CNN
F 2 "" H 5200 10450 60  0001 C CNN
F 3 "" H 5200 10450 60  0001 C CNN
	1    5200 10450
	1    0    0    -1  
$EndComp
Wire Wire Line
	6300 9600 6400 9600
Wire Wire Line
	6400 9950 6400 9600
Connection ~ 6400 9600
Wire Wire Line
	5200 10350 5200 9800
Wire Wire Line
	5200 9800 5300 9800
NoConn ~ 5300 9600
Text GLabel 6600 9800 2    60   Output ~ 0
CLK32KHZ_U
Wire Wire Line
	6300 9800 6600 9800
Wire Wire Line
	6400 10250 6400 10350
Text Notes 5200 10800 0    60   ~ 0
Alternative: OYKTGLJANF-0.032768
Text Notes 6100 6950 0    120  ~ 0
Modem USB
Text Notes 5250 9200 0    120  ~ 0
32 kHz clock
$Comp
L xo-quad-en:XO-QUAD-EN U2204
U 1 1 5820D8E1
P 9200 9700
F 0 "U2204" H 8900 9950 60  0000 L CNN
F 1 "SG-210STF 19.2000ML" H 9200 9400 60  0000 C CNN
F 2 "NeoFeet:XO-2520" H 9200 9700 60  0001 C CNN
F 3 "https://support.epson.biz/td/api/doc_check.php?dl=brief_SG-210STF&lang=en" H 9200 9700 60  0001 C CNN
	1    9200 9700
	1    0    0    -1  
$EndComp
$Comp
L neo900:GND-3 #M0402
U 1 1 5820D911
P 8600 10450
F 0 "#M0402" H 8600 10450 45  0001 C CNN
F 1 "GND-3" H 8600 10450 45  0001 C CNN
F 2 "" H 8600 10450 60  0001 C CNN
F 3 "" H 8600 10450 60  0001 C CNN
	1    8600 10450
	1    0    0    -1  
$EndComp
$Comp
L neo900:GND-3 #M0403
U 1 1 5820D928
P 9800 10450
F 0 "#M0403" H 9800 10450 45  0001 C CNN
F 1 "GND-3" H 9800 10450 45  0001 C CNN
F 2 "" H 9800 10450 60  0001 C CNN
F 3 "" H 9800 10450 60  0001 C CNN
	1    9800 10450
	1    0    0    -1  
$EndComp
$Comp
L neo900:C0603 C2202
U 1 1 5820D93F
P 9800 10050
F 0 "C2202" H 9840 10090 50  0000 L CNN
F 1 "100n" H 9850 9900 50  0000 L CNN
F 2 "NeoFeet:C_0402" H 9830 10200 20  0001 C CNN
F 3 "" H 9800 10050 60  0001 C CNN
	1    9800 10050
	1    0    0    -1  
$EndComp
Text GLabel 10000 9800 2    60   Output ~ 0
CODEC_MCLK_U
Wire Wire Line
	9800 10250 9800 10350
Wire Wire Line
	8600 9800 8600 10350
Wire Wire Line
	8600 9800 8700 9800
Text GLabel 10000 9600 2    60   Input ~ 0
1V8_U
Text Notes 8600 10800 0    60   ~ 0
Alternative: KC2520B19.2000C1GE00
Text Notes 8700 9200 0    120  ~ 0
19.2 MHz clock
Text GLabel 8500 9600 0    60   Input ~ 0
HFCLK_EN
Wire Wire Line
	8500 9600 8700 9600
Text Notes 3100 3100 0    70   ~ 0
simple capless 400mA LDO for TPS65950 substitute
Text Notes 3100 3200 0    70   ~ 0
(only for prototype)
$Comp
L neo900:GND-3 #U$?
U 1 1 5828F4B4
P 4600 4400
AR Path="/578AFF28/5828F4B4" Ref="#U$?"  Part="1" 
AR Path="/578AFF30/5828F4B4" Ref="#U$0404"  Part="1" 
F 0 "#U$0404" H 4480 4301 70  0001 L BNN
F 1 "GND3" H 4480 4301 70  0001 L BNN
F 2 "" H 4600 4400 60  0001 C CNN
F 3 "" H 4600 4400 60  0001 C CNN
	1    4600 4400
	1    0    0    -1  
$EndComp
$Comp
L neo900:TPS73630DBV U?
U 1 1 5828F4BA
P 4600 3800
AR Path="/578AFF28/5828F4BA" Ref="U?"  Part="1" 
AR Path="/578AFF30/5828F4BA" Ref="U2201"  Part="1" 
F 0 "U2201" H 4451 4050 50  0000 L BNN
F 1 "TPS73601DBV" H 4639 3530 50  0000 L BNN
F 2 "NeoFeet:SOT23-5" H 4590 3590 65  0001 L TNN
F 3 "http://www.ti.com/lit/ds/symlink/tps736.pdf" H 4600 3800 60  0001 C CNN
	1    4600 3800
	1    0    0    -1  
$EndComp
Wire Wire Line
	5200 3700 5500 3700
Wire Wire Line
	3500 3700 3700 3700
Wire Wire Line
	4000 3900 3900 3900
Text GLabel 3500 3700 0    60   Input ~ 0
VSYS_U
Text GLabel 5750 3700 2    60   Output ~ 0
2V7_U
$Comp
L neo900:R0402 R?
U 1 1 5828F4C6
P 5500 4000
AR Path="/578AFEFC/5828F4C6" Ref="R?"  Part="1" 
AR Path="/578AFF28/5828F4C6" Ref="R?"  Part="1" 
AR Path="/578AFF30/5828F4C6" Ref="R2201"  Part="1" 
F 0 "R2201" H 5370 4060 50  0000 L BNN
F 1 "44k2" H 5500 4000 50  0000 C CNN
F 2 "NeoFeet:R_0402" H 5530 4150 20  0001 C CNN
F 3 "" H 5500 4000 60  0001 C CNN
	1    5500 4000
	0    -1   -1   0   
$EndComp
$Comp
L neo900:R0402 R?
U 1 1 5828F4CD
P 5500 4600
AR Path="/578AFEFC/5828F4CD" Ref="R?"  Part="1" 
AR Path="/578AFF28/5828F4CD" Ref="R?"  Part="1" 
AR Path="/578AFF30/5828F4CD" Ref="R2202"  Part="1" 
F 0 "R2202" H 5370 4660 50  0000 L BNN
F 1 "34k0" H 5500 4600 50  0000 C CNN
F 2 "NeoFeet:R_0402" H 5530 4750 20  0001 C CNN
F 3 "" H 5500 4600 60  0001 C CNN
	1    5500 4600
	0    -1   -1   0   
$EndComp
$Comp
L neo900:GND-3 #U$?
U 1 1 5828F4D4
P 5500 5000
AR Path="/578AFF28/5828F4D4" Ref="#U$?"  Part="1" 
AR Path="/578AFF30/5828F4D4" Ref="#U$0405"  Part="1" 
F 0 "#U$0405" H 5380 4901 70  0001 L BNN
F 1 "GND3" H 5380 4901 70  0001 L BNN
F 2 "" H 5500 5000 60  0001 C CNN
F 3 "" H 5500 5000 60  0001 C CNN
	1    5500 5000
	1    0    0    -1  
$EndComp
Wire Wire Line
	5500 3800 5500 3700
Connection ~ 5500 3700
Wire Wire Line
	5200 3900 5300 3900
Wire Wire Line
	5300 3900 5300 4300
Wire Wire Line
	5300 4300 5500 4300
Wire Wire Line
	5500 4200 5500 4300
Connection ~ 5500 4300
Wire Wire Line
	5500 4800 5500 4900
Text GLabel 5750 5500 2    60   Output ~ 0
1V8_U
Text GLabel 3700 5700 0    60   Input ~ 0
BB_1V8
Wire Wire Line
	3700 5700 3900 5700
Wire Wire Line
	3900 3900 3900 5700
Connection ~ 3900 5700
Text Notes 2900 5800 2    120  ~ 24
TODO: use REGEN ?
$Comp
L neo900:TPS73630DBV U?
U 1 1 5828F4E8
P 4650 5600
AR Path="/578AFF28/5828F4E8" Ref="U?"  Part="1" 
AR Path="/578AFF30/5828F4E8" Ref="U2202"  Part="1" 
F 0 "U2202" H 4501 5850 50  0000 L BNN
F 1 "TPS73618DBV" H 4689 5330 50  0000 L BNN
F 2 "NeoFeet:SOT23-5" H 4640 5390 65  0001 L TNN
F 3 "http://www.ti.com/lit/ds/symlink/tps736.pdf" H 4650 5600 60  0001 C CNN
	1    4650 5600
	1    0    0    -1  
$EndComp
Wire Wire Line
	4050 5500 3700 5500
Wire Wire Line
	3700 5500 3700 3700
Connection ~ 3700 3700
NoConn ~ 5250 5700
Wire Wire Line
	5250 5500 5750 5500
$Comp
L neo900:GND-3 #U$?
U 1 1 5828F4F4
P 4650 6200
AR Path="/578AFF28/5828F4F4" Ref="#U$?"  Part="1" 
AR Path="/578AFF30/5828F4F4" Ref="#U$0406"  Part="1" 
F 0 "#U$0406" H 4530 6101 70  0001 L BNN
F 1 "GND3" H 4530 6101 70  0001 L BNN
F 2 "" H 4650 6200 60  0001 C CNN
F 3 "" H 4650 6200 60  0001 C CNN
	1    4650 6200
	1    0    0    -1  
$EndComp
Wire Wire Line
	4600 4200 4600 4300
Wire Wire Line
	4650 6000 4650 6100
Wire Wire Line
	6400 9600 6600 9600
Wire Wire Line
	5500 3700 5750 3700
Wire Wire Line
	5500 4300 5500 4400
Wire Wire Line
	3900 5700 4050 5700
Wire Wire Line
	3700 3700 4000 3700
Wire Wire Line
	9700 9600 9800 9600
Wire Wire Line
	9700 9800 10000 9800
Wire Wire Line
	9800 9950 9800 9600
Connection ~ 9800 9600
Wire Wire Line
	9800 9600 10000 9600
$EndSCHEMATC
